Expandable attache case



FIG. 1 is a top perspective view of an expandable attache case showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is a front elevational view;

FIG. 5 is a rear elevational view;

FIG. 6 is a left end elevational view; and

FIG. 7 is a right end elevational view. 

The ornamental design for an expandable attache case, as shown and described. 